CN112088702B - Self-adaptive greenhouse heating method - Google Patents
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/246—Air-conditioning systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/243—Collecting solar energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
The invention relates to a self-adaptive greenhouse heating method which comprises the steps of using a self-adaptive greenhouse heating mechanism to carry out average value calculation of pixel point green channel values on customized images so as to obtain a reference value of the distribution area of green plants in a greenhouse, and adaptively adjusting the expansion amplitude of a solar array panel for heating the greenhouse based on the reference value.
Description
Technical Field
The invention relates to the field of greenhouse management, in particular to a self-adaptive greenhouse heating method.
Background
A greenhouse is also called a greenhouse, and refers to a room provided with cold-proof, heating, light-transmitting and other facilities for cultivating temperature-favored plants in winter. In seasons unsuitable for plant growth, the method can provide a growth period and increase yield, and is mainly used for cultivating or raising seedlings of plants such as warm vegetables, flowers and trees in low-temperature seasons. Greenhouse refers to a building that can control or partially control the environment in which plants grow. The method is mainly used for non-seasonal or non-regional plant cultivation, scientific research, generation-added breeding, ornamental plant cultivation and the like.
In seasons unsuitable for plant growth, the method can provide a growth period and increase yield, and is mainly used for cultivating or raising seedlings of plants such as warm vegetables, flowers and trees in low-temperature seasons. The types of greenhouses are various, and the greenhouses can be divided into a great variety according to different roof truss materials, lighting materials, shapes, heating conditions and the like, such as glass greenhouses and plastic polycarbonate greenhouses; single-span greenhouses and multi-span greenhouses; single-roof greenhouses, double-roof greenhouses; a warm greenhouse, a non-warm greenhouse, etc. The greenhouse structure should be sealed and insulated, but should be convenient for ventilation and cooling. The modern greenhouse is provided with equipment for controlling conditions such as temperature, humidity, illumination and the like, and the computer is used for automatically controlling and creating the optimal environmental conditions required by plants.
Disclosure of Invention
The invention has at least the following key invention points:
(1) calculating the mean value of the green channel values of the pixels of the customized image to obtain a reference value of the distribution area of green plants in the greenhouse, and adaptively adjusting the expansion amplitude of a solar panel for heating the greenhouse based on the reference value, so that the heating of the greenhouse can meet the growth requirement of the green plants in the greenhouse;
(2) a customized curve detection mechanism is introduced to perform curve detection on the image, and only each curve in the image is subjected to targeted sharpening processing, so that the image sharpening effect is ensured and the phenomenon of falling into a large amount of data operation is avoided.
According to an aspect of the present invention, there is provided an adaptive greenhouse heating method, including using an adaptive greenhouse heating mechanism to perform an average calculation of pixel point green channel values on a customized image to obtain a reference value of a distribution area of green plants in a greenhouse, and adaptively adjusting an expansion width of a solar panel for greenhouse heating based on the reference value, the adaptive greenhouse heating mechanism including: the arithmetic mean filtering device is connected with the targeted sharpening device and is used for carrying out arithmetic mean filtering processing on the received targeted sharpened image so as to obtain a corresponding current filtered image and outputting the current filtered image; the green analysis equipment is connected with the arithmetic mean filtering equipment and is used for obtaining each green channel value of each pixel point in the current filtering image and calculating the arithmetic mean of each green channel value to obtain the corresponding green channel mean; the network capturing device is arranged in the greenhouse and used for executing instant image capturing action on scenes in the greenhouse to obtain and output corresponding instant captured images; the heating supply device comprises a solar sailboard and an energy converter, wherein the solar sailboard is used for receiving solar energy, and the energy converter is used for converting the received solar energy into heat for maintaining the temperature in the greenhouse to be constant; the amplitude control equipment is connected with the solar sailboard and used for adjusting the expansion amplitude of the solar sailboard based on the received green channel mean value; the component value extraction equipment is arranged in the greenhouse, is connected with the network capture equipment, and is used for receiving the instant capture image and acquiring the hue component value, the brightness component value and the saturation component value of each pixel point in the instant capture image; and the signal processing equipment is connected with the component value extraction equipment and is used for taking the pixels with the absolute value of the difference between the hue component value and the mean value of the hue component values of the adjacent pixels being more than or equal to a first component value threshold, the absolute value of the difference between the brightness component value and the mean value of the brightness component values of the adjacent pixels being more than or equal to a second component value threshold, and the absolute value of the difference between the saturation component value and the mean value of the saturation component values of the adjacent pixels being more than or equal to a third component value threshold as the contour pixels.
The self-adaptive greenhouse heating method is convenient to operate and saves labor cost. The customized image is subjected to mean value calculation of the green channel values of the pixels to obtain the reference value of the distribution area of the green plants in the greenhouse, and the expansion range of the solar sailboard for heating the greenhouse is adaptively adjusted based on the reference value, so that the heating of the greenhouse can meet the growth requirement of the green plants in the greenhouse.
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Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a greenhouse environment in which an adaptive greenhouse heating mechanism according to an embodiment of the present invention is shown.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Heating is the building environmental control technology that has been developed for the first time by human beings. Since people know fire, heating modes such as heated brick beds, stoves, fire walls, fire grounds and the like are invented for resisting the threat of cold to survival, which are the earliest heating equipment and system, and some of the heating equipment and system are applied to the present day. Today, heating equipment and systems have made great progress in terms of comfort and hygiene for people, aesthetic appearance and dexterity of equipment, automatic control of systems and equipment, diversification of system forms, efficient use of energy, and the like.
The average temperature of the coldest month and the hottest month in the year is used as a main index, the average temperature of the year is less than or equal to 5 ℃ and the days of which are more than or equal to 25 ℃ are used as auxiliary indexes, and the activity range of people is divided into five areas of severe cold, hot summer and cold winter, hot summer and warm winter and temperate. For example, in a hot summer and cold winter area, the number of days in which the average temperature of the year-old day is stable at or below 5 ℃ is 60 to 89 days, and the number of days in which the average temperature of the year-old day is stable at or below 5 ℃ is less than 60 days, but the number of days in which the average temperature of the year-old day is stable at or below 8 ℃ is greater than or equal to 75 days.
In the prior art, in a greenhouse for cultivating green plants, the growth vigor of the green plants is different, and the consumption of heat is also different, so that for the greenhouse adopting solar heating, an adaptive solar panel unfolding mechanism based on the growth condition of the green plants is needed, so that the growth condition of the green plants is matched with the unfolding amplitude of the solar panel.
In order to overcome the defects, the invention builds a self-adaptive greenhouse heating method, which comprises the steps of using a self-adaptive greenhouse heating mechanism to carry out average value calculation of pixel point green channel values on customized images so as to obtain a reference value of the distribution area of green plants in a greenhouse, and adaptively adjusting the expansion amplitude of a solar panel for heating the greenhouse based on the reference value. The self-adaptive greenhouse heating mechanism can effectively solve the corresponding technical problem.
Fig. 1 is a schematic diagram of a greenhouse environment in which an adaptive greenhouse heating mechanism according to an embodiment of the present invention is shown.
An adaptive greenhouse heating mechanism according to an embodiment of the present invention includes:
the arithmetic mean filtering device is connected with the targeted sharpening device and is used for carrying out arithmetic mean filtering processing on the received targeted sharpened image so as to obtain a corresponding current filtered image and outputting the current filtered image;
the green analysis equipment is connected with the arithmetic mean filtering equipment and is used for obtaining each green channel value of each pixel point in the current filtering image and calculating the arithmetic mean of each green channel value to obtain the corresponding green channel mean;
the network capturing device is arranged in the greenhouse and used for executing instant image capturing action on scenes in the greenhouse to obtain and output corresponding instant captured images;
the heating supply device comprises a solar sailboard and an energy converter, wherein the solar sailboard is used for receiving solar energy, and the energy converter is used for converting the received solar energy into heat for maintaining the temperature in the greenhouse to be constant;
the amplitude control equipment is connected with the solar sailboard and used for adjusting the expansion amplitude of the solar sailboard based on the received green channel mean value;
the component value extraction equipment is arranged in the greenhouse, is connected with the network capture equipment, and is used for receiving the instant capture image and acquiring the hue component value, the brightness component value and the saturation component value of each pixel point in the instant capture image;
the signal processing equipment is connected with the component value extraction equipment and is used for taking the pixels with the absolute value of the difference between the hue component value and the mean value of the hue component values of the adjacent pixels being more than or equal to a first component value threshold, the absolute value of the difference between the brightness component value and the mean value of the brightness component values of the adjacent pixels being more than or equal to a second component value threshold, and the absolute value of the difference between the saturation component value and the mean value of the saturation component values of the adjacent pixels being more than or equal to a third component value threshold as contour pixels;
the signal processing equipment is also used for taking all pixel points except the contour pixel points in the instant capture image as non-contour pixel points;
in the signal processing apparatus, the first component value threshold, the second component value threshold, and the third component value threshold are different in numerical value;
the curve detection device is connected with the signal processing device and is used for taking one or more curves obtained by fitting each contour pixel point in the signal processing device as one or more curves to be processed;
the targeted sharpening device is connected with the curve detection device and is used for sharpening one or more curves to be processed in the instant captured image to obtain a targeted sharpened image corresponding to the instant captured image;
in the green analysis equipment, the value of the green channel mean value is between 0 and 255;
wherein, in the amplitude control device, adjusting the expansion amplitude of the solar sailboard based on the received green channel mean value comprises: the higher the received green channel mean value is, the larger the expansion amplitude of the adjusted solar array is.
Next, a specific configuration of the adaptive greenhouse heating system according to the present invention will be further described.
The adaptive greenhouse heating mechanism can further comprise:
the ZIGBEE communication interface is connected with the targeted sharpening equipment and used for carrying out compression coding processing on the received targeted sharpened image and wirelessly transmitting the data subjected to the compression coding processing;
the ZIGBEE communication interface comprises a ZIGBEE transmission component and a compression coding component connected with the ZIGBEE transmission component.
The adaptive greenhouse heating mechanism can further comprise:
and the range processing equipment is connected with the arithmetic mean filtering equipment and is used for receiving the current filtering image and expanding the dynamic range of the current filtering image so as to obtain an instant processing image with the expanded dynamic range.
The adaptive greenhouse heating mechanism can further comprise:
and the homomorphic filtering equipment is connected with the range processing equipment and is used for executing homomorphic filtering operation on the instant processing image so as to obtain and output a corresponding homomorphic filtering image.
The adaptive greenhouse heating mechanism can further comprise:
the region segmentation equipment is connected with the homomorphic filtering equipment and used for detecting the area of the maximum target of the homomorphic filtering image and carrying out average region segmentation on the homomorphic filtering image based on the area of the maximum target so as to obtain a plurality of corresponding image regions; in the region segmentation apparatus, performing, on average, region segmentation of the homomorphic filtered image based on the area of the maximum target includes: the larger the area of the maximum target is, the larger the area of an image region obtained by performing region segmentation on the homomorphic filtered image is; the region segmentation apparatus includes a target analysis unit and an area measurement unit, the target analysis unit being connected with the area measurement unit.
The adaptive greenhouse heating mechanism can further comprise:
and the mean square error extraction equipment is connected with the region segmentation equipment and is used for calculating the mean square error of each pixel value of each pixel point in each image region to obtain the corresponding region mean square error, and outputting each image region with the region mean square error exceeding a mean square error threshold as each region to be executed.
The adaptive greenhouse heating mechanism can further comprise:
and the content processing equipment is connected with the mean square error extraction equipment, and is used for receiving each to-be-executed area and respectively executing edge enhancement processing on each to-be-executed area so as to obtain and output each corresponding content processing area.
The adaptive greenhouse heating mechanism can further comprise:
the nonlinear filtering equipment is respectively connected with the green analysis equipment and the content processing equipment and is used for receiving each content processing area, respectively carrying out nonlinear filtering processing on each content processing area to obtain each nonlinear filtering area, and integrally replacing the current filtering image of each nonlinear filtering area and sending the current filtering image to the green analysis equipment;
and the MMC storage equipment is connected with the mean square error extraction equipment and is used for pre-storing the mean square error threshold value so as to send the mean square error threshold value to the mean square error extraction equipment when the mean square error extraction equipment is started.
In addition, ZIGBEE is a low power consumption lan protocol based on the ieee802.15.4 standard. According to international standards, ZIGBEE technology is a short-range, low-power wireless communication technology. This name (also called the purple bee protocol) is derived from the dance of the eight characters of bees, since bees (bee) communicate the orientation information of pollen with partners by flying and "waving" (ZIG) flapping wings, "i.e. bees form a communication network in the community by this way. Its advantages are short distance, low complexity, self-organization, low power consumption and low data rate. The device is mainly suitable for the fields of automatic control and remote control, and can be embedded into various devices. In short, ZIGBEE is an inexpensive and low-power-consumption short-range wireless networking communication technology. ZIGBEE is a wireless network protocol for low-speed short-range transmission. The ZIGBEE protocol is, from bottom to top, a physical layer (PHY), a media access control layer (MAC), a Transport Layer (TL), a network layer (NWK), an application layer (APL), and the like. Wherein the physical layer and the medium access control layer comply with the provisions of the IEEE802.15.4 standard.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: Read-Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An adaptive greenhouse heating method, the method comprising using an adaptive greenhouse heating mechanism to perform mean calculation of pixel point green channel values on a customized image to obtain a reference value of a distribution area of green plants in a greenhouse, and adaptively adjusting an expansion width of a solar panel for greenhouse heating based on the reference value, the adaptive greenhouse heating mechanism comprising:
the arithmetic mean filtering device is connected with the targeted sharpening device and is used for carrying out arithmetic mean filtering processing on the received targeted sharpened image so as to obtain a corresponding current filtered image and outputting the current filtered image;
the green analysis equipment is connected with the arithmetic mean filtering equipment and is used for obtaining each green channel value of each pixel point in the current filtering image and calculating the arithmetic mean of each green channel value to obtain the corresponding green channel mean;
the network capturing device is arranged in the greenhouse and used for executing instant image capturing action on scenes in the greenhouse to obtain and output corresponding instant captured images;
the heating supply device comprises a solar sailboard and an energy converter, wherein the solar sailboard is used for receiving solar energy, and the energy converter is used for converting the received solar energy into heat for maintaining the temperature in the greenhouse to be constant;
the amplitude control equipment is connected with the solar sailboard and used for adjusting the expansion amplitude of the solar sailboard based on the received green channel mean value;
the component value extraction equipment is arranged in the greenhouse, is connected with the network capture equipment, and is used for receiving the instant capture image and acquiring the hue component value, the brightness component value and the saturation component value of each pixel point in the instant capture image;
the signal processing equipment is connected with the component value extraction equipment and is used for taking the pixels with the absolute value of the difference between the hue component value and the mean value of the hue component values of the adjacent pixels being more than or equal to a first component value threshold, the absolute value of the difference between the brightness component value and the mean value of the brightness component values of the adjacent pixels being more than or equal to a second component value threshold, and the absolute value of the difference between the saturation component value and the mean value of the saturation component values of the adjacent pixels being more than or equal to a third component value threshold as contour pixels;
the signal processing equipment is also used for taking all pixel points except the contour pixel points in the instant capture image as non-contour pixel points;
in the signal processing apparatus, the first component value threshold, the second component value threshold, and the third component value threshold are different in numerical value;
the curve detection device is connected with the signal processing device and is used for taking one or more curves obtained by fitting each contour pixel point in the signal processing device as one or more curves to be processed;
the targeted sharpening device is connected with the curve detection device and is used for sharpening one or more curves to be processed in the instant captured image to obtain a targeted sharpened image corresponding to the instant captured image;
in the green analysis equipment, the value of the green channel mean value is between 0 and 255;
wherein, in the amplitude control device, adjusting the expansion amplitude of the solar sailboard based on the received green channel mean value comprises: the higher the received green channel mean value is, the larger the expansion amplitude of the adjusted solar array is.
2. The method of claim 1, wherein the mechanism further comprises:
the ZIGBEE communication interface is connected with the targeted sharpening equipment and used for carrying out compression coding processing on the received targeted sharpened image and wirelessly transmitting the data subjected to the compression coding processing;
the ZIGBEE communication interface comprises a ZIGBEE transmission component and a compression coding component connected with the ZIGBEE transmission component.
3. The method of claim 2, wherein the mechanism further comprises:
and the range processing equipment is connected with the arithmetic mean filtering equipment and is used for receiving the current filtering image and expanding the dynamic range of the current filtering image so as to obtain an instant processing image with the expanded dynamic range.
4. The method of claim 3, wherein the mechanism further comprises:
and the homomorphic filtering equipment is connected with the range processing equipment and is used for executing homomorphic filtering operation on the instant processing image so as to obtain and output a corresponding homomorphic filtering image.
5. The method of claim 4, wherein the mechanism further comprises:
the region segmentation equipment is connected with the homomorphic filtering equipment and used for detecting the area of the maximum target of the homomorphic filtering image and carrying out average region segmentation on the homomorphic filtering image based on the area of the maximum target so as to obtain a plurality of corresponding image regions; in the region segmentation apparatus, performing, on average, region segmentation of the homomorphic filtered image based on the area of the maximum target includes: the larger the area of the maximum target is, the larger the area of an image region obtained by performing region segmentation on the homomorphic filtered image is; the region segmentation apparatus includes a target analysis unit and an area measurement unit, the target analysis unit being connected with the area measurement unit.
6. The method of claim 5, wherein the mechanism further comprises:
and the mean square error extraction equipment is connected with the region segmentation equipment and is used for calculating the mean square error of each pixel value of each pixel point in each image region to obtain the corresponding region mean square error, and outputting each image region with the region mean square error exceeding a mean square error threshold as each region to be executed.
7. The method of claim 6, wherein the mechanism further comprises:
and the content processing equipment is connected with the mean square error extraction equipment, and is used for receiving each to-be-executed area and respectively executing edge enhancement processing on each to-be-executed area so as to obtain and output each corresponding content processing area.
8. The method of claim 7, wherein the mechanism further comprises:
the nonlinear filtering equipment is respectively connected with the green analysis equipment and the content processing equipment and is used for receiving each content processing area, respectively carrying out nonlinear filtering processing on each content processing area to obtain each nonlinear filtering area, and integrally replacing the current filtering image of each nonlinear filtering area and sending the current filtering image to the green analysis equipment;
and the MMC storage equipment is connected with the mean square error extraction equipment and is used for pre-storing the mean square error threshold value so as to send the mean square error threshold value to the mean square error extraction equipment when the mean square error extraction equipment is started.
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